Roof Sheathing Thickness 24 Oc

Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in.

Roof sheathing thickness 24 oc.

Secure roof sheathing panels to the roof framing with 8d common nails spaced six inches on center at the edges and twelve inches on center at intermediate supports. Sheathing should be a minimum of 19 32 inch thick. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. That means it can be used at 24 in.

Installation details shall conform to sections 2304 7 1 and 2304 7 2 for. What about the roof sheathing at 24 in. For rafters or 16 in. As far as installation goes i much prefer using osb or advantech over ply simply because it lays flat and doesn t warp curl like cdx.

Panels are rated 32 16. The typical thickness range for sheathing is 3 8 to 3 4 inch. It can be used for rafters up to 40 in. Never attach roof sheathing with staples.

Oc rafters i have worked with cdx generic osb and advantech. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Roof sheathing shall be structural wood panels plywood osb with a minimum five eighths inch thickness grade stamped for use and span. Tongue and groove sheathing rated 40 20.

Plywood thickness for 24 quot. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. For subfloors zip s 1 2 in. 8d ring shank nails should be used instead.